Active atmospheric calibration for H.E.S.S. applied to PKS 2155-304

A. M. Brown, P. M. Chadwick, H. J. Dickinson, C. Hadjichristidis, I. J. Latham, R. Le Gallou, C. Masterson, T. J L McComb, S. J. Nolan, A. Noutsos, K. J. Orford, S. M. Rayner, D. Spangler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Using data derived from the H.E.S.S. telescope system and the LIDAR facility on site, a method of correcting for changing atmospheric quality based on cosmic-ray trigger-rate is presented and applied to data taken on the active galactic nuclei PKS 2155-304. These data were taken during August and September 2004, when the quality of the atmosphere at the site was highly variable. Corrected and uncorrected fluxes are shown, and the method is presented as a first step towards a more complete atmospheric calibration.

Original languageEnglish (US)
Title of host publication29th International Cosmic Ray Conference, ICRC 2005
PublisherTata Institute of Fundamental Research
Pages411-414
Number of pages4
Volume4
StatePublished - Jan 1 2005
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: Aug 3 2005Aug 10 2005

Other

Other29th International Cosmic Ray Conference, ICRC 2005
Country/TerritoryIndia
CityPune
Period8/3/058/10/05

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